Support rulesets in variables + mixins, closes #63

LESS.tmLanguage

@@ -356,9 +356,9 @@
 		<key>less-parameters</key>
 		<dict>
 			<key>begin</key>
-			<string>\(</string>
+			<string>\(|(}\s*,)</string>
 			<key>end</key>
-			<string>\)</string>
+			<string>\)|{</string>
 			<key>name</key>
 			<string>parameter.less</string>
 			<key>patterns</key>
@@ -705,7 +705,7 @@
 						</dict>
 					</dict>
 					<key>end</key>
-					<string>\s*(;|(?=\}))</string>
+					<string>\s*(;|(?=[{}]))</string>
 					<key>endCaptures</key>
 					<dict>
 						<key>1</key>

LESS.tmLanguage.json

@@ -388,7 +388,7 @@
         },
         {
           "begin" : "(:)\\s*",
-          "end" : "\\s*(;|(?=\\}))",
+          "end" : "\\s*(;|(?=[{}]))",
           "beginCaptures" : {
             "1" : {
               "name" : "punctuation.separator.key-value.css"
@@ -588,8 +588,8 @@
       "name" : "meta.at-rule.css"
     },
     "less-parameters" : {
-      "begin" : "\\(",
-      "end" : "\\)",
+      "begin" : "\\(|(}\\s*,)",
+      "end" : "\\)|{",
       "patterns": [
         {
           "include" : "#color-values"

tests.less

@@ -238,7 +238,7 @@ body {
 
 .box-shadow(2px, 5px);
 
-.mixin(one, two, 'three', @four) {
+.mixin(one, two, 'three', @four, @{five}) {
   color: darken(@color, 10%);
 }
 .mixin(dark, @color) {
@@ -487,3 +487,38 @@ input {color:green;}
 input:before {color:green;}
 input::-webkit-input-placeholder {color:red;}
 input:-moz-placeholder {color:red;}
+
+//https://github.com/danro/LESS-sublime/issues/63
+.test-case {
+  // This is a comment
+  font-size: 10px;
+
+  .mixin-param-test(100px, {
+    // This is a comment
+
+    .inner-mixin(param, {
+      // We must go deeper
+      font-size: 10px;
+    });
+
+    font-size: 10px;
+  }, param1, @param2, @{param3}, 40px);
+}
+
+@my-ruleset: {
+  .my-selector {
+    background-color: black;
+  }
+};
+
+@my-ruleset: {
+  .my-selector {
+    @media tv {
+      background-color: black;
+    }
+  }
+};
+
+@media (orientation:portrait) {
+    @my-ruleset();
+}